removeNotMatching method

Implementation

Future<void> removeNotMatching(
  Set<String> taskNames,
  Set<String> keys,
) async {
  final encodedKeys = keys.map(_encodeKey).toSet();
  var removedCount = 0;
  final oldTasks = Directory(_tasksDir).list();
  await for (final oldTask in oldTasks) {
    if (!taskNames.contains(path.basename(oldTask.path))) {
      logger.fine(
        () =>
            "Removing task '${oldTask.path}' directory as task is not part of the build",
      );
      await oldTask.delete(recursive: true);
      removedCount++;
    }
  }
  final oldEncodedKeys = Directory(_hashesDir).list();
  await for (final oldEncodedKey in oldEncodedKeys) {
    if (!encodedKeys.contains(path.basename(oldEncodedKey.path))) {
      logger.fine(
        () =>
            "Removing key '${oldEncodedKey.path}' as key is not part of the build",
      );
      await oldEncodedKey.delete(recursive: true);
      removedCount++;
    }
  }
  logger.fine(
    () => 'Removed $removedCount cache entries that are any longer relevant',
  );
}